compiler-rt/builtins/cpu_model.c

492   unsigned EAX, EBX;
540       MaxLeaf >= 0x7 && !getX86CpuIDAndInfoEx(0x7, 0x0, &EAX, &EBX, &ECX, &EDX);
542   if (HasLeaf7 && ((EBX >> 3) & 1))
544   if (HasLeaf7 && ((EBX >> 5) & 1) && HasAVX)
546   if (HasLeaf7 && ((EBX >> 8) & 1))
548   if (HasLeaf7 && ((EBX >> 16) & 1) && HasAVX512Save)
550   if (HasLeaf7 && ((EBX >> 17) & 1) && HasAVX512Save)
552   if (HasLeaf7 && ((EBX >> 21) & 1) && HasAVX512Save)
554   if (HasLeaf7 && ((EBX >> 26) & 1) && HasAVX512Save)
556   if (HasLeaf7 && ((EBX >> 27) & 1) && HasAVX512Save)
558   if (HasLeaf7 && ((EBX >> 28) & 1) && HasAVX512Save)
560   if (HasLeaf7 && ((EBX >> 30) & 1) && HasAVX512Save)
562   if (HasLeaf7 && ((EBX >> 31) & 1) && HasAVX512Save)
586   getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX);
589                      !getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
639   unsigned EAX, EBX, ECX, EDX;
658   getX86CpuIDAndInfo(1, &EAX, &EBX, &ECX, &EDX);
660   Brand_id = EBX & 0xff;